/*
 * Flashlib - QB9 common Flash library
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


package com.qb9.flashlib.collections
{
	import com.qb9.flashlib.utils.ArrayUtil;
	
	public class Set extends BaseCollection
	{
		public function Set(size:uint=uint.MAX_VALUE)
		{
			super(size);
		}
		
		public function add(obj:Object):void
		{
			if (!hasItem(obj))
				items.push(obj);
		}
		
		public function remove(obj:Object):Object
		{
			return removeItem(obj);
		}
		
		public function take():Object
		{
			return ArrayUtil.popChoice(items);
		}
	}
}